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Method for automatically adjusting opening degree of fluid pressure reducing device

A decompression device and automatic adjustment technology, applied in the direction of fluid pressure control, electric fluid pressure control, control/adjustment system, etc., can solve the problem that the opening degree cannot be adjusted, and achieve strong adaptability and high control accuracy. Effect

Pending Publication Date: 2020-08-11
SHAOYANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the opening of the current fluid restriction device cannot be adjusted

Method used

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  • Method for automatically adjusting opening degree of fluid pressure reducing device
  • Method for automatically adjusting opening degree of fluid pressure reducing device
  • Method for automatically adjusting opening degree of fluid pressure reducing device

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Embodiment Construction

[0018] Referring to the accompanying drawings, by describing the embodiments, the specific implementation of the present invention, such as the shape and structure of each component involved, the mutual position and connection relationship between each part, the role and working principle of each part, etc. Further details.

[0019] Such as Figure 1-6 As shown, a method for automatically adjusting the opening of a fluid decompression device includes a fluid decompression device with an adjustable opening, which is suitable for being arranged between the first pipeline 1 and the second pipeline 7, said The fluid decompression device includes: a body 4, which is hollow inside to define a fluid channel 6; a diffuser 5, which is detachably installed in the installation area 2 of the body 4; The diffuser is provided with a flow path 33 for reducing the pressure of the fluid flowing through said fluid channel 6 . Wherein, the diffuser 5 includes a diffuser plate 3, a counterbore ...

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Abstract

The invention provides a method for automatically adjusting the opening degree of a fluid pressure reducing device. The fluid pressure reducing device comprises a body and a diffuser. The diffuser isprovided with a flow path and comprises a diffusion disc; a stepping motor is arranged in a counter bore of the diffusion disc; a rotary disc is connected to a rotary shaft of the stepping motor; anda plurality of rotary disc through holes with the radius gradually increased are evenly formed in the rotary disc. The rotation of the stepping motor is controlled through a BP neural network controller, so that the rotary disc through holes with different diameters are aligned to the flow path, and the automatic adjustment of the opening degree of the flow path is realized. The scheme is simple in structure, high in adaptability and capable of achieving intelligent control.

Description

technical field [0001] The invention belongs to a control method of a fluid decompression device, and more specifically relates to a method for automatically adjusting the aperture of the fluid decompression device. Background technique [0002] In process control systems, it is often necessary to reduce the pressure of a fluid. In some cases, the pressure of the fluid must be reduced significantly. In cases where a relatively high pressure drop is required, the pressure drop ratio obtained by dividing the pressure change by the input pressure can be quite high. At present, a flow restricting device such as a diffuser is generally used, so that after the fluid passes through the fluid restricting device, the fluid flow rate increases. According to the Bernoulli equation, when the fluid velocity increases, its pressure will decrease accordingly. However, the opening of the current fluid restricting device cannot be adjusted. Contents of the invention [0003] The purpos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D16/20
CPCG05D16/202
Inventor 李滔李剑张佳李萍李芳廖俊
Owner SHAOYANG UNIV